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261
Multi-UAV Path Planning for Air-Ground Relay Communication Based on Mix-Greedy MAPPO Algorithm
Published 2024-11-01“…In this paper, a Multi-Agent Reinforcement Learning (MARL) method based on the ε-greedy strategy and multi-agent proximal policy optimization (MAPPO) algorithm is proposed to address the local optimization problem, improving the communication efficiency and task execution capability of UAV cluster control. …”
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262
Determinate arbitrary quantum state engineering through one-dimensional quantum walks
Published 2025-06-01“…This efficient method for preparing quantum superposition states lays a foundation for advancing quantum technologies, with broad applications in quantum information processing.…”
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263
Reliability Analysis of Three-dimensional Soil Slopes Considering Spatial Variability of Soil Parameters
Published 2025-01-01“…To address these limitations, this study employs the covariance matrix decomposition method to generate 3D lognormal random fields for soil parameters, enabling efficient modeling of spatial variability. …”
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264
Robust Traffic Signal Retiming Based on Queue Service Time Estimation Using Low-Penetration Connected Vehicle Data
Published 2024-12-01“…However, the existing methods are mostly deterministic and do not well consider the uncertainty in both traffic demand and capacity. …”
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265
Chance-Constrained Optimization of Photovoltaic System Allocation considering Power Loss, Voltage Level, and Line Current
Published 2023-01-01“…This present study focuses on investigating impact of uncertainties in PV system operating under different irradiance scenarios on power loss with probabilistic constraints in distribution networks instead of precise deterministic limits to contribute more efficient and reliable use of energy. …”
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266
Leading Degree: A Metric for Model Performance Evaluation and Hyperparameter Tuning in Deep Learning-Based Side-Channel Analysis
Published 2025-03-01“…To attain an effective generic side-channel evaluation metric, we investigate the deterministic component of power consumption, find that the elements of score vector under a key follow a linearly transformed chi-square distribution approximately, and some wrong key hypotheses usually with top scores provide great assistance in model performance evaluation, and finally we propose a new metric called Leading Degree (LD) as well as its simplified version LD-simplified for measuring model performance, which offers similar accuracy but much better generality and efficiency compared with the classical side-channel benchmark metric TGE1, and offers similar generality and efficiency but significantly better accuracy compared with recently proposed sidechannel metrics like Label Correlation and Cross Entropy Ratio. …”
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267
LIGHTWEIGHT DESIGN FOR OVERHAUL TOOLING SUPPORT SEAT BASED ON TOPOLOGY OPTIMIZATION AND SIX SIGMA ROBUSTNESS
Published 2020-01-01“…The results show that reliability of the design variables,strength and stiffness are all 1,reaching eight sigma level,the support seat’s weight is reduced by 67. 0% and the lightweight effect is remarkable; compared with the support seat’s traditional deterministic optimization design after topology optimization,this method enhances the strength and stiffness of the support seat,meanwhile,improves the reliability of the optimization design,the robustness of the strength,the robustness of the stiffness and the consistency of the weight. …”
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268
Insurance: is it better together?
Published 2025-03-01“…The study intends to identify the potential reasons for the relatively insignificant share of MIS in the insurance market and to assess the attractiveness of the latter in increasing the efficiency of the insurance mechanism in the system of ensuring the financial security of citizens and economic entities.Materials and methods. …”
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269
Quantum-inspired robust optimization for coordinated scheduling of PV-hydrogen microgrids under multi-dimensional uncertainties
Published 2025-08-01“…These include fluctuations in PV output, stochastic hydrogen demand, and volatile market prices. Traditional deterministic or static robust methods often fall short in handling such dynamic, multi-dimensional uncertainties. …”
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270
Modeling and Forecasting Electricity Demand and Prices: A Comparison of Alternative Approaches
Published 2022-01-01“…The estimation of these models is carried out by four different estimation methods, including ordinary least squares (O), Lasso (L), Ridge (R), and Elastic-net (E). …”
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271
Effect of Warming on Soil Fungal Community Along Altitude Gradients in a Subalpine Meadow
Published 2024-12-01“…This study aimed to evaluate the effects of warming on aboveground grass, belowground soil properties, and fungal community along altitude gradients in the subalpine meadow of Mount Wutai using the high-throughput sequencing method. Warming reduced the restriction of low temperatures on the growth of subalpine grass, resulting in increasing grass biomass, community height, and coverage. …”
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272
Probabilistic-Aware Satellite Constellation Scheduling for Integrated TN-NTN Operations
Published 2025-01-01“…By leveraging statistical traffic models based on the central limit theorem, the proposed method accounts for traffic uncertainty and embeds it directly into the scheduling process. …”
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273
Chance-constrained optimal schedule of battery energy storage considering the uncertainties of renewable generation
Published 2025-06-01“…Furthermore, these constraints are transformed into their deterministic equivalents using quantile-based methods. …”
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274
Gaslike Social Motility: Optimization Algorithm with Application in Image Thresholding Segmentation
Published 2025-04-01“…Additionally, GSM’s efficiency in image thresholding segmentation is highlighted, as it achieves high-quality results with fewer iterations and particles compared to other methods.…”
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275
Coordinated Reentry Guidance with A* and Deep Reinforcement Learning for Hypersonic Morphing Vehicles Under Multiple No-Fly Zones
Published 2025-06-01“…The A* algorithm generates heuristic trajectories circumventing no-fly zones, reducing the evaluation function by 6.2% compared to greedy methods, while DDPG optimizes sweep angles to minimize velocity loss and terminal errors (0.09 km position, 0.01 m/s velocity). …”
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276
Energy Management in Microgrids Using Model-Free Deep Reinforcement Learning Approach
Published 2025-01-01“…MGs offer a flexible and efficient framework for accommodating dispersed energy resources. …”
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277
Pharmacoeconomic study of various treatment options for superficial vein thrombophlebitis of lower extremities
Published 2023-07-01“…Objective: рharmacoeconomic evaluation of pharmacotherapy, crossectomy (in combination with pharmacotherapy) and phlebectomy (in combination with pharmacotherapy) in patients with SVT of lower extremities. Material and methods. Pharmacoeconomic evaluation was carried out using cost-effectiveness analysis (CEA) by calculating the costeffectiveness ratio (CER). …”
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278
Optimal Control and Cost-Effectiveness Analysis of Cholera with Vaccination
Published 2022-01-01“…The simulation study has revealed that the application of prevention methods will play a significant role in controlling or minimizing the spread of the disease. …”
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279
Two-stage multi-timescale optimal scheduling for electricity-hydrogen coupling systems based on scenario approach and deep reinforcement learning
Published 2025-01-01“…The short-term model focuses on minimizing the systems’ operational costs and is solved using the deep deterministic policy gradient (DDPG) algorithm. Finally, case study simulations demonstrate that the proposed method effectively facilitates hydrogen energy shifting, smooths fluctuations in wind and solar output, verifying the method’s effectiveness.…”
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280
Artificial Intelligence in UAV Flight Controls: Deep Reinforcement Learning Based Altitude-Hold Strategies for Fixed-Wing UAVs
Published 2025-01-01“…The deep deterministic policy gradient (DDPG) method was chosen to suit environments with continuous action spaces. …”
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